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Finding the Fourth Proportional to 273,262.88, 409,952.64 and 95,780.72

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Solution

The fourth proportional to 273,262.88, 409,952.64 and 95,780.72 is: 143,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,262.88 : 409,952.64 = 95,780.72 : x
  2. Step 2: Convert to fraction form
    273,262.88/409,952.64 = 95,780.72/x
  3. Step 3: Cross multiply
    273,262.88x = 409,952.64 × 95,780.72
  4. Step 4: Simplify right side
    273,262.88x = 39,265,559,025.10
  5. Step 5: Solve for x
    x = 39,265,559,025.10/273,262.88
  6. Step 6: Final answer
    x = 143,691.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.